7115825 has 6 divisors (see below), whose sum is σ = 8823654. Its totient is φ = 5692640.

The previous prime is 7115819. The next prime is 7115873. The reversal of 7115825 is 5285117.

It can be written as a sum of positive squares in 3 ways, for example, as 760384 + 6355441 = 872^2 + 2521^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7115825 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142292 + ... + 142341.

It is an arithmetic number, because the mean of its divisors is an integer number (1470609).

Almost surely, 2^7115825 is an apocalyptic number.

It is an amenable number.

7115825 is a deficient number, since it is larger than the sum of its proper divisors (1707829).

7115825 is a wasteful number, since it uses less digits than its factorization.

7115825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284643 (or 284638 counting only the distinct ones).

The product of its digits is 2800, while the sum is 29.

The square root of 7115825 is about 2667.5503744072. The cubic root of 7115825 is about 192.3424245985.

The spelling of 7115825 in words is "seven million, one hundred fifteen thousand, eight hundred twenty-five".